Mendonça Jr., C. X. de, Watanabe, C., Mori, A. V., Santos, C. de O. F., & Almeida, C. R. M. de. (1999). Effects of high supplemental dietary copper on laying performance, egg yolk cholesterol and blood plasma lipids. Brazilian Journal of Veterinary Research and Animal Science, 36(6), 327-331. https://doi.org/10.1590/S1413-95961999000600009